diff --git a/src/librustc_trans/save/mod.rs b/src/librustc_trans/save/mod.rs
index 4e0b34b7ef8a..59da0c09d340 100644
--- a/src/librustc_trans/save/mod.rs
+++ b/src/librustc_trans/save/mod.rs
@@ -753,6 +753,6 @@ fn escape(s: String) -> String {
 
 // If the expression is a macro expansion or other generated code, run screaming
 // and don't index.
-fn generated_code(span: Span) -> bool {
+pub fn generated_code(span: Span) -> bool {
     span.expn_id != NO_EXPANSION || span  == DUMMY_SP
 }